#!/usr/bin/env bash
#
# Provides a very simple "sane" default for quickly virtualizing a system using
# kvm and qemu. Intended for use to run quick "burn-down" systems for testing
# (eg: build from live-cd or prebuilt hda using configuration management)
#
# Requirements:
#   qemu
#   libvirt

if [[ -z ${1} ]]; then
  echo -e "
Please specify at least a system drive to boot (-hda <path>), or a live iso
file to serve as the bootable virtual cdrom device (-cdrom <path>.iso).\n
Note that other qemu settings can be passed as well to further customize.\n"
  exit 1
fi

# Make sure qemu is installed
if [[ ! $(which qemu-system-x86_64 2>/dev/null) ]]; then
  echo -e "
Qemu does not appear to be installed. If it is, be sure the path to its
binary is in the environment PATH variable.\n"
  echo "Current PATH variable value is:"
  echo ${PATH}
  echo
  exit 1
fi

# Execute
qemu-system-x86_64 -enable-kvm -machine accel=kvm -vga std -m 2048 ${@}